CPC Subgroup Additional Only
F21Y 2115/10 Light-emitting diodes [LED]
Full Title
Light-generating elements of semiconductor light sources > Light-emitting diodes [LED]
1 direct subcode
Child Classifications
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- F21Y 2115/15 Organic light-emitting diodes [OLED]
Top Applicants
Top 10 applicants by patent filingsfor class F21, 2013–2023, worldwide · Source: EPO PATSTAT
- VALEO VISION FR 2,820
- SIGNIFY HOLDING NL 2,374
- KOITO MANUFACTURING COMPANY JP 1,890
- KOITO MANUFACTURING COMPANY 1,722
- LG INNOTEK COMPANY KR 1,624
- OSRAM DE 1,507
- LG ELECTRONICS KR 1,458
- PANASONIC INTELLECTUAL PROPERTY JP 1,433
- ZUMTOBEL LIGHTING AT 1,349
- PANASONIC INTELLECTUAL PROPERTY 1,275